Scratch resistant mineral crystal.

防刮矿物晶体。

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It features precise Swiss quartz movement, and the black touch-screen dial is protected by a scratch-resistant mineral crystal.

它具有精确的瑞士制造石英机芯，黑色触摸屏拨号是由防刮矿物晶体的保护。

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It is also known to use a heat-resistant mineral material, for example, asbestos in the form of cord or sheet to support the weld pool and the powder covering in the case of a submerged arc.

它也被称为使用耐热性矿物材料，例如，石棉的形式，脊髓或资产负债表，以支持熔池和粉末覆盖的情况下，埋弧焊。

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The scratch-resistant mineral coating (read: not Gorilla Glass) laid atop the display does a fine job protecting the glass from in-pocket abrasions -- not that we Engadget staffers are in the habit of abusing precious mobile kit.

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